CVE-2019-18619 json
Incorrect parameter validation in the synaTee component of Synaptics WBF drivers using an SGX enclave (all versions prior to 2019-11-15) al…
published 2020-07-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8346
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
Incorrect parameter validation in the synaTee component of Synaptics WBF drivers using an SGX enclave (all versions prior to 2019-11-15) allows a local user to execute arbitrary code in the enclave (that can compromise confidentiality of enclave data) via APIs that accept invalid pointers.
Patch / fix
- lenovo thinkpad_25_firmware 5.2.3540.26
- lenovo thankpad_a475_firmware 5.02.3539.0026
- lenovo thankpad_a485_firmware 5.03.3542.0026
- lenovo thinkpad_e480_firmware 5.2.321.26
- lenovo thinkpad_e580_firmware 5.2.321.26
- lenovo thinkpad_e485_firmware 5.2.321.26
- lenovo thinkpad_e585_firmware 5.2.321.26
- lenovo thinkpad_e490s_firmware 5.2.321.26
- lenovo thinkpad_s3_firmware 5.2.321.26
- lenovo thinkpad_e490_firmware 5.2.321.26
- lenovo thinkpad_e590_firmware 5.2.321.26
- lenovo thinkpad_r490_firmware 5.2.321.26
- lenovo thinkpad_r590_firmware 5.2.321.26
- lenovo thinkpad_l480_firmware 5.3.3542.26
- lenovo thinkpad_l580_firmware 5.3.3542.26
- lenovo thinkpad_p1_firmware 5.3.3542.26
- lenovo thinkpad_p1_gen_2_firmware 6.0.36.1105
- lenovo thinkpad_x1_extreme_2nd_firmware 6.0.36.1105
- lenovo thinkpad_p43s_firmware 6.0.36.1105
- lenovo thinkpad_p50_firmware 5.1.338.26
Exploit prediction
0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-763 Release of Invalid Pointer or Reference
References
-
support.lenovo.com
/us/en/product_security/LEN-31372
patch, third-party-advisory
-
support.hp.com
/hk-en/document/c06696568
patch, third-party-advisory
-
synaptics.com
/company/blog/
vendor-advisory
-
synaptics.com
/sites/default/files/fingerprint-driver-SGX-security-brief-2020-07-14.pdf
vendor-advisory
-
syssec.wiwi.uni-due.de
/en/research/research-projects/analysis-of-tee-software/
vendor-advisory
Sources
- CVE List CVE-2019-18619
- NVD CVE-2019-18619
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